The Appendix contains the following papers: Matthew Slinn, Kevin Kendall, Christian Mallon, James Andrews, Steam reforming of biodiesel by-product to make renewable hydrogen, Bioresource Technology, Volume 99, Issue 13, September 2008, Pages 5851-5858, ISSN 0960-8524, 10.1016/j.biortech.2007.10.003. http://www.sciencedirect.com/science/article/pii/S0960852407008401 Kevin Kendall, Matthew Slinn, John Preece, Formulating liquid ethers for microtubular SOFCs, Journal of Power Sources, Volume 157, Issue 2, 3 July 2006, Pages 750-753, ISSN 0378-7753, 10.1016/j.jpowsour.2006.01.061. http://www.sciencedirect.com/science/article/pii/S0378775306001340 Matthew Slinn, Kevin Kendall, Developing the reaction kinetics for a biodiesel reactor, Bioresource Technology, Volume 100, Issue 7, April 2009, Pages 2324-2327, ISSN 0960-8524, 10.1016/j.biortech.2008.08.044. http://eprints.bham.ac.uk/798/ http://www.sciencedirect.com/science/article/pii/S0960852408007335